A Policeman in a Stationary Car Measures the Speed of Approaching

question 98

Multiple Choice

A policeman in a stationary car measures the speed of approaching cars by means of an ultrasonic device that emits a sound with a frequency of 39.6 kHz. A car is approaching him at a speed of 35.0
M/s) The wave is reflected by the car and interferes with the emitted sound producing beats. What
Is the frequency of the beats when the speed of sound in air is 343 m/s?

• A) 8490 Hz
• B) 5000 Hz
• C) 4250 Hz
• D) 9000 Hz
• E) 4500 Hz

Calculate the cash balance at the beginning and end of a period given transactions data.

Construct and interpret charts of accounts numbering systems.

Analyze and correct errors in accounting entries, including those affecting supplies and accounts receivable/payable.

Record business transactions in a two-column journal format, emphasizing the debit and credit system.

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Definitions:

Job-Order Costing

A costing method used to accumulate costs associated with a specific batch of products or job, allowing for detailed tracking of production expenses.

Overapplied Overhead

A situation where the allocated manufacturing overhead cost is more than the actual overhead incurred.

Manufacturing Overhead

Refers to all the indirect factory-related costs incurred from manufacturing a product that cannot be directly traced to a specific product.

Indirect Labor

The wages paid to employees who are not directly involved in the production of goods or services but support the manufacturing process, such as maintenance staff and supervisors.